A light-year is the distance light travels in one year.

一光年是光运行一年所走的距离.

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重点词汇

相关例句

1、

Astronomers use light-year to talk about distance in space.

天文学家用光年表示宇宙空间的距离.
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2、

We are lagging behind at China with the speed of light-year, overtook impossibly again.

我们正在以光年的速度落后于中国, 不可能再追上了.
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3、

The distance traveled by light in one year is called a light year.

一光年的距离大得令人难以想象.
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4、

It is over 4 light-year away from earth.

它距地球4 光年多.
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5、

Early light-year ( AD 319 years ) after the establishment of Zhao crown.

光初二年 ( 公元319年 ) 称王建立后赵.
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6、

The distance travelled by light in one year is called a light year.

光在一年内行经的距离称作1光年.
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7、

Do you know the light year?

你知道光年吗 ?
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8、

A light-year is about 6 trillion miles, the distance light travels in a year.

一光年大约6百亿亿英里, 即光行走一年的距离.
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9、

He worked for a whole night with the lamp lighted.

他点着灯,整整工作了一夜.
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10、

A drop of rain just lighted on his head.

一滴雨正好落在他的头上.
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11、

His face lighted up at the good news.

他因这个消息容光焕发.
来源：《现代英汉综合大词典》
12、

Instead, he struck a match and lighted the gas.

相反, 他划了根火柴,点亮了煤气灯.
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13、

Misfortune lighted upon him.

他突然遭到不幸.
来源：《现代英汉综合大词典》
14、

After sunset, please stay within lighted areas.

日落之后, 请留在照明领域.
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15、

She looked back up the lighted step, and then affected to stroll up the street.

在大门口,她又回身朝上看着灯光下的楼梯.随后她装着在马路上遛达的样子慢慢往前走.
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16、

You can decrease the intensity, but the surfaces will always be lighted a tad bit.

你可以降低灯光强度, 但物体表面仍然会偏亮.
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17、

A lighted tower clock showed the time to be 12:00 p.m.

塔楼上的夜光钟指示着时间是午夜12点.
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18、

Her face was lighted by a smile.

微笑使她容光焕发.
来源：《现代英汉综合大词典》
19、

In the centre stands a table with a lighted lamp on it.

中间有一张桌子,上面有盏点着的油灯.
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20、

The torch was lighted.

火把被点燃了.
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